Method for treating photographic processing waste solution

Details Method for treating photographic processing waste solution Method for treating photographic processing waste solution

1987-11-27

1989-10-17

Wyse, Tom

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210719, 210721, 210725, 210727, 210737, 210750, 210763, 210766, 210908, 210912, 210916, C02F 162

Patent

active

048745308

ABSTRACT:
Disclosed is a method for treating a photographic processing waste solution comprising concentrating the photographic processing waste solution containing at least thiosulfate ions, characterized in that there is provided at least one part selected from (i) to (v) shown below:

REFERENCES:
patent: 3773662 (1973-11-01), Urban
patent: 4135976 (1979-01-01), Kitajima
patent: 4385996 (1983-05-01), McCarthy
patent: 4530768 (1985-07-01), Tanihara et al.
patent: 4666610 (1987-05-01), Kuhns
patent: 4740244 (1988-04-01), Williams

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